Pinpoint Test AY: The Chime Sounds When The Driver Door Is Ajar (No Key In Ignition And Headlamps Off): Notes
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.